#include "stdio.h"
#include "stdlib.h"

//typdef作用 类型重命名
typedef int u32;
typedef char u8;

//结构体和变量
typedef struct _Teacher
{
	char	name[64];
	int		age;
}Teacher;
/*
struct _Teacher
{
	char	name[64];
	int		age;
};

typedef struct _Teacher Teacher;
*/
int main()
{
	Teacher t1;
	printf("u32:%d \n", sizeof(u32));
	printf("u8:%d \n", sizeof(u8));
	printf("Teacher:%d \n", sizeof(Teacher));
	printf("Teacher t1:%d \n", sizeof(t1));
	return 0;
}
